| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 94 | 2.295,95 | 24,43 | 1 |
| 2007 | 23 | 675,88 | 29,39 | 1 |
| 2009 | 62 | 1.535,03 | 24,76 | 1 |
| 2010 | 68 | 1.600,77 | 23,54 | 1 |
| 2012 | 87 | 1.805,94 | 20,76 | 1 |
| 2013 | 112 | 2.183,08 | 19,49 | 2 |
| 2014 | 133 | 2.940,93 | 22,11 | 3 |
| 2015 | 113 | 2.570,29 | 22,75 | 2 |
| 2016 | 124 | 2.904,03 | 23,42 | 2 |
| 2017 | 109 | 2.332,74 | 21,40 | 2 |
| 2018 | 125 | 3.169,61 | 25,36 | 2 |
| 2019 | 222 | 5.956,79 | 26,83 | 4 |
| 2020 | 222 | 6.499,32 | 29,28 | 4 |
| 2021 | 229 | 6.571,58 | 28,70 | 4 |
| 2022 | 673 | 18.337,91 | 27,25 | 5 |
| 2023 | 766 | 18.823,36 | 24,57 | 7 |
| 2024 | 790 | 19.035,68 | 24,10 | 8 |
| totale | 3.952 | 99.238,89 | 25,11 | 50 |